Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
chang dong » change long, change hong, chang won
dong sheng » dung sheng, hong sheng, fang sheng
wang yang » wang yan, wang liang, wang yanling
china has » china have, china how
has chang » han chang, has changed, has china
sheng yu » sheng wu, zheng yu, sheng huo

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((wang yang) OR (yang liang)) china has chang dong sheng yu ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((wang yang) or (yang liang)) china has chang dong sheng yu ;*.